I’ve tried scrubbing it several times with bar keepers friend soft cleanser and although it improves, it never goes away completely and it always comes back.
I’ve tried scrubbing it several times with bar keepers friend soft cleanser and although it improves, it never goes away completely and it always comes back.
What does the peroxide add? Whitening?
Yes the peroxide is a bleaching agent. Milder than chlorine bleach